Patents by Inventor Kazuyuki TATEYANAGI

Kazuyuki TATEYANAGI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9422890
    Abstract: In a carburetor, three downstream body passages in the body communicate with three valve passages in the valve element, and the valve element rotates between a closed position and an opened position. The carburetor is a one-bore type carburetor in which the body passages and the valve passages are respectively partitioned with the body partitions and the valve partitions. When rotating the valve element from the closed position to the opened position, the second body passage and the second valve passage for mixture start to communicate in advance than the first and third body passages and the first and third valve passages for air.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: August 23, 2016
    Assignees: YAMABIKO CORPORATION, ZAMA JAPAN CO., LTD.
    Inventors: Takahiro Yamazaki, Hisato Onodera, Takumi Nonaka, Kazuyuki Tateyanagi
  • Publication number: 20150102511
    Abstract: In a carburetor, three downstream body passages in the body communicate with three valve passages in the valve element, and the valve element rotates between a closed position and an opened position. The carburetor is a one-bore type carburetor in which the body passages and the valve passages are respectively partitioned with the body partitions and the valve partitions. When rotating the valve element from the closed position to the opened position, the second body passage and the second valve passage for mixture start to communicate in advance than the first and third body passages and the first and third valve passages for air.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Inventors: Takahiro YAMAZAKI, Hisato ONODERA, Takumi NONAKA, Kazuyuki TATEYANAGI